Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
nhanh lang » nhanh quang, nhanh thang, nhan dang
hieu lang » chieu sang, hieu quang, hieu van
trong van » trong cac
lang cua » mang cua, hang cua, long cua
cua dung » cua dang, cua dong, qua dung
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (hieu lang)) - nhanh lang cua dung trong van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - nhanh lang cua dung trong van phan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - nhanh lang cua dung trong van phan cau*.